Mark Lilly (voice) (31 Episodes)

Randall Skeffington (voice) (31 Episodes)

Callie Maggotbone (Voice) (31 Episodes)

Twayne Boneraper (Voice) (31 Episodes)

Lt. Francis Grimes / Aldermach Maggotbone (voice) (31 Episodes)

Leonard Powers / The Great Brain / Erik / Man Bird (voice) (31 Episodes)

Additional Voices (voice) (20 Episodes)

Additional Voices (voice) (14 Episodes)

Additional Voices (voice) (19 Episodes)

Additional Voices (voice) (7 Episodes)

Additional Voices (voice) (4 Episodes)

Additional Voices (voice) (3 Episodes)

Galen (voice) (1 Episodes)

Tony (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

William Dyer (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Neilando Patel (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Larry King (voice) (1 Episodes)

Tristan (voice) (1 Episodes)

Kong (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Drill Sergeant (voice) (1 Episodes)

Ray (voice) (1 Episodes)

Jaclyn (voice) (1 Episodes)

Emily (voice) (1 Episodes)

Jerry 'The Fire Ant' McMillan (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)

Additional Voices (voice) (1 Episodes)